[PATCH] D29121: [Docs] Add LangRef documention for freeze instruction

[Eli Friedman via Phabricator via llvm-commits]

efriedma added inline comments.


================
Comment at: LangRef.rst:5408
+If "cond" is either ``undef`` or ``poison``, this instruction has
+undefined behavior.
 
----------------
Does "switch" need a similar amendment?


https://reviews.llvm.org/D29121